| 摘要 |
This cermet is provided with hard-phase particles, which contain Ti, and a binder phase containing Ni and/or Co, wherein at least 70% of the hard-phase particles are provided with a core-containing structure having a core section and a peripheral section formed at the outer periphery thereof, the core section has at least one of Ti carbide, Ti nitride, and Ti carbonitride as the primary component, the peripheral section has as the primary component a Ti composite compound containing Ti and at least one element selected from W, Mo, Ta, Nb, and Cr, when the average particle diameter of the core section is α and the average particle diameter of the peripheral section is β, 1.1 ≤ β/α ≤ 1.7 is satisfied, and the average particle diameter of the hard-phase particles contained in the cermet exceeds 1.0 μm. |
